{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x6e847dcf99bd45d4192f3e196a4622c8d14e34c8e53855675799343d91d53988",
    "signature": "0xb2096e2546c349e0206fe9c85d0bb9a6dea70199e25f6956be5822f4d1799d4658eac80770835dd39f06727668d56b7e57dc48913d0328369f3647dea52c114a1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}